DemographicsMillers Bluff is approximately 124.53 square kilometres. In 2016 the population of Millers Bluff was 0. The population is 0% male and 0% female. On average the monthly mortgage repayments in Millers Bluff are $0 to $299. The most common weekly income bracket is $0 to $149 per week. Weekly rents in the area are on average $0 to $74.